I have the same issue on a Lenovo T530 (with a normal old disk) - I have also seen them well after start-up, where the laptop screen will suddenly switch to "black screen with text and mouse pointer", while my external monitor remains as before (see bug 1077516)
I have the same issue on a Lenovo T530 (with a normal old disk) - I have also seen them well after start-up, where the laptop screen will suddenly switch to "black screen with text and mouse pointer", while my external monitor remains as before (see bug 1077516)